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Çѱ¹Áö¹Ý°øÇÐȸ / v.11, no.2, 1995³â, pp.99-106
¼®ÅºÀçÀÇ °Ç¼³Àç·á·Î¼­ÀÇ È°¿ë¿¡ °üÇÑ ¿¬±¸-ȯ°æÀû Ư¼º °ËÅ並 Áß½ÉÀ¸·Î
( A Study on the Utilization of Coal Ash as Construction Materials ln Forcus on the Environmental Analysis )
õº´½Ä;°í¿ëÀÏ; Á¤È¸¿ø ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Á¤È¸¿ø, ÇѶó°Ç¼³ ±â¼ú¿¬±¸¼Ò;
 
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±âº»ÀûÀÎ ¼ºÁú Æò°¡¿Í ¸¹Àº ½Ç³»½ÇÇèÀ» ÅëÇØ ¿ì¸®³ª¶ó¿¡¼­ ºÎ»êµÇ´Â ¼®ÅºÀç´Â ÀÌÁ¦ ½Ç¿ëÈ­ ´Ü°è¿¡ ÀÖÁö¸¸, °¡Àå ¹®Á¦ Á¦±â°¡ µÇ°í ÀÖ´Â ºÎºÐÀº ȯ°æÀû Ư¼º °ËÅäÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â ¼®ÅºÀç ¹ß»ý·®ÀÇ ´ëºÎºÐÀ» Â÷ÁöÇϰí ÀÖ´Â, ¿ªÇÐÀû Ư¼ºÀÌ ¿­¾ÇÇÑ fly ash.¸¦ ´ë»óÀ¸·Î ¿ì¸®³ª¶ó ȯ°æ±â ÁØ¿¡ ÀÇÇÏ¿© Æó±â¹° ºÐ·ù¸¦ ºÐ¼® È®ÀÎÇϱ¸ ¸Å¸³ ¹× ´ë±Ô¸ð Åä°øÀç µî °Ç¼³Àç·á·Î ó¸® ¶Ç´Â »ç¿ëÇÏ¿´À» ½Ã ¿À¿°¹°Áú ¹èÃâÇã¿ë±âÁØ¿¡ ÀÇÇÑ ¹®Á¦Á¡ÀÌ Àִ°¡¸¦ °ËÅäÇϱâ À§ÇÏ¿© ȸºÐ½Ä ¿ëÃâ½ÃÇè¿¡ ÀÇÇÏ¿© ¼ö¼ÒÀÌ¿Â³óµµ ¹× ¿À¿°¹°Áú ÇÔÀ¯·®À» Á¶»ç.ºÐ¼®ÇØ º¸¾Ò´Ù. ±× °á°ú fly ash´Â ÀÏ¹ÝÆó±â¹°·Î ºÐ·ùµÊÀ» È®ÀÎÇÏ¿´°í, fly ashÀÇ PH´Â ¿À¿° ¹°Áú ¹èÃâÇã¿ë ±âÁØÄ¡º¸´Ù ¾ËÄ®¸®¼ºÀ» °­ÇÏ°Ô ¶ì°í ÀÖ¾î ¹®Á¦°¡ µÇ°í ÀÖÀ¸³ª ÀÌ´Â »ê¼ºÈ­µÈ Åä¾çÀ» Áß¼ºÈ­ÇÏ´Â Åä·®°³·®Àç·Î¼­ fly ashÀÇ ¿ªÇÒÀ» ±â´ëÇÒ ¼ö ÀÖÀ¸¸ç, ±× ¿Ü¿¡´Â ¿À¿°¹°Áú ¹èÃâÇã¿ë ±âÁØÄ¡¿¡ ÈξÀ ¸ø ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³ª°í ÀÖ´Ù. ´õ±¸³ª ¼®ÅºÀçÀÇ ¿­¾ÇÇÑ ¿ªÇÐÀû Ư¼ºÀ» °³·®Çϱâ À§ÇÏ¿© »ç¿ëµÇ´Â Á¤µµÀÇ ¼Ò·®ÀÇ Ã·°¡Á¦(½Ã¸àÆ® ¶Ç´Â ¼®È¸ µî)¿¡ ÀÇÇÏ¿© °­µµ ¹× ³»±¸¼º Áõ°¡, Åõ¼ö¼º ¾ïÁ¦´Â ¹°·Ð ¹®Á¦°¡ µÇ´Â ¼ö¼ÒÀ̿³󵵰¡ ¿À¿°¹°Áú ¹èÃâÇã¿ë±âÁØ(pH 5.8~8.6) ÀÌÇÏ·Î ³·¾ÆÁ®, ¼®ÅºÀçÀÇ °Ç¼³Àç·á·Î¼­ÀÇ È°¿ë¿¡ ÀÖ¾î ȯ°æÀûÀÎ ¹®Á¦ÀÇ ¿©Áö´Â ¾øÀ» °ÍÀ¸·Î ¿©°ÜÁø´Ù.
Although lots of experimental studies of coal ash have been performed to study the utilization as construction materials, the environmental characteristics of coal ash are still qestionable. In this study, fly ash is examined to be classified according to Korean Environmental Standard and analized whether the batch test results are within the toler trance limit when utilized or treated as reclamation and earth work materials. The batch tests was performed to examine pH and contaminant contents. Consequently, fly ash is classified as non hazardous industrial waste. The pH value shows a strong alkalinity than the tolerance limit, but it is implied that fly ash can be used to neutralize the acid ground. All other items except pH satisfy the tolerance limit, In addition, a small quantity of additives(cement) which used to improve the poor geotechnical properties of coal ash, could decrease the pH value into the tolerance limit as well as improve strengtIL durability and permeability. It is concluded that when coal ash is used properly, there is no enviormental harmfulness as construction materials.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.11, no.2, 1995³â, pp.99-106
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920446001)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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